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  • Committer: Package Import Robot
  • Author(s): Bas Couwenberg
  • Date: 2015-02-20 23:12:08 UTC
  • mfrom: (8.2.6 experimental)
  • Revision ID: package-import@ubuntu.com-20150220231208-1u6qvqm84v430b10
Tags: 7.0.0-1~exp1
* New upstream release.
* Update python-ctypes-ternary.patch to use if/else instead of and/or.
* Drop check4dev patch, rely on upstream check.
* Add build dependency on libpq-dev to grass-dev for libpq-fe.h.
* Drop patches applied upstream, refresh remaining patches.
* Update symlinks for images switched from jpg to png.

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imagery/i.biomass/biomass.c
 
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#include<stdio.h>
 
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#include<math.h>
 
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#include<stdlib.h>
 
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 double biomass(double fpar, double solar_day, double evap_fr,
 
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                 double light_use_ef) 
 
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{
 
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    double result, apar, conversion_coefs;
 
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        /*fPAR in Bastiaassen and Ali = a (= 1.257) * NDVI + b (= -0.161); */ 
 
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        /*light use efficiency is variable for each crop! */ 
 
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        /* Cotton light_use_ef in Uzbekistan is 1.9 */ 
 
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        /*      apar                    = (b+a*ndvi); */ 
 
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        conversion_coefs = 0.0864 * 10;
 
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    apar = fpar * (0.48 * solar_day);
 
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    result = apar * light_use_ef * evap_fr * conversion_coefs;
 
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    return result;
 
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}
 
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